Supports .pdf format, recommended max 500MB per file
π File Info
π Filename: -π Total Pages: -π¦ File Size: -
βοΈ Split Mode
Split the PDF into multiple files, each containing N pages.
Enter the number of pages per file. The tool will automatically calculate how many files will be created.
Extract a specific page range into a new PDF file.
Enter start and end page numbers (inclusive) to extract that range.
Click to select pages you want to extract. Multiple selection is supported.
Click the thumbnails above or the page grid below to select pages. Click again to deselect.
Split odd and even pages into two separate PDF files.
Odd pages: 1, 3, 5... | Even pages: 2, 4, 6...
π₯ Split Results
Ad Slot (Middle)
π How to Use
The PDF Splitter is a completely free online tool that helps you easily split a single PDF file into multiple files. No software installation is required β everything runs in your browser, ensuring your files remain private and secure.
Step 1: Upload Your PDF
Click the upload area to select your PDF file, or simply drag and drop a PDF file onto the upload zone. The tool will automatically read the file information, including filename, page count, and file size.
Step 2: Choose a Split Mode
After uploading, choose one of the four split modes:
Split by Count: Enter how many pages each output file should contain. For example, enter 5 to split the PDF into files of 5 pages each.
Split by Range: Enter start and end page numbers to extract a specific range of pages into one file.
Extract Pages: Click page thumbnails to select individual pages you want to extract. You can select one or many pages.
Odd/Even Split: Separate odd-numbered and even-numbered pages into two PDF files.
Step 3: Split and Download
Click the "Split PDF" button and wait for processing to complete. You can then download each output file individually. Each file shows its page count for easy verification.
Tips
Since the tool runs entirely in your browser, processing large files may take some time. Please be patient. For best results, we recommend using Chrome, Firefox, Edge, or other modern browsers.
π― Use Cases
Academic Research
Researchers and students frequently work with large PDF documents such as theses, reports, and journal articles. Use the PDF Splitter to extract needed chapters or pages for citation and reference organization. For example, pull a specific chapter from a hundreds-page reference book, or extract individual papers from a collected volume.
Business & Office
In business settings, the PDF Splitter helps you quickly separate contracts, invoices, and meeting minutes. For example, split a multi-month invoice PDF into individual monthly files, or divide a lengthy report by chapter for easier distribution and review among team members.
Education & Training
Teachers and trainers can use the PDF Splitter to process textbooks and course materials. For example, split a complete textbook PDF by unit, or separate a multi-topic training deck into individual topic documents so students can download only what they need.
π‘ Knowledge
PDF File Structure
PDF (Portable Document Format) is a cross-platform document format introduced by Adobe in 1993. Internally, a PDF file consists of multiple objects including page trees, fonts, images, and annotations. Each PDF has a page tree structure that describes how pages are organized. PDF splitting tools manipulate this page tree to extract and reorganize pages.
Split vs. Merge
PDF splitting and merging are complementary operations. Splitting breaks one PDF into multiple files, while merging combines multiple files into one. In practice, you often need both. For example, you might extract pages from several PDFs and then merge those pages into a new document. Our tools suite offers both capabilities to cover all your document processing needs.
Client-Side PDF Processing
Traditional PDF tools run on a server, requiring you to upload files for processing. This tool uses the pdf-lib library to process PDFs directly in your browser, keeping all data local. This approach not only protects your privacy but also eliminates network transfer delays. pdf-lib is a powerful JavaScript library supporting creation, modification, and extraction of PDF files.
β Frequently Asked Questions
Are my PDF files saved on a server?
No. This tool runs entirely in your browser. All PDF files are processed locally on your device and are never uploaded to any server. Neither the original files nor the generated files leave your computer.
Is there a file size limit?
We recommend a maximum file size of 500MB per operation. Since all processing is done in the browser, file size is limited by your browser's memory and performance. For very large files, consider processing them in batches.
Can I split encrypted or password-protected PDFs?
No. Password-protected PDF files must be decrypted before splitting. You can use a PDF decryption tool first, then return here to split the decrypted file.
What split modes are supported?
Four split modes are supported: 1) Split by page count β split every N pages into a new PDF; 2) Split by range β extract pages between a start and end page number; 3) Extract specific pages β select individual pages to extract; 4) Odd/even split β separate odd and even pages into two PDF files.
Which browsers are supported?
Chrome, Firefox, Edge, Safari, and other modern browsers are supported. Since the tool uses Web APIs and PDF processing libraries, please use a recent browser version for the best experience.
Does splitting preserve the original PDF formatting?
Yes. The tool uses the pdf-lib library to perform splitting, which fully preserves the original PDF's page content, fonts, images, and other elements. The split operation only extracts pages according to your rules without altering the original formatting.
Can I download all split files at once?
Each split part generates a separate PDF file that you can download individually. If the split produces many files, we recommend downloading them one by one to ensure reliable delivery.
How do I preview each page?
After uploading a PDF, the tool automatically renders thumbnail previews of each page. You can see all pages at the top of the page, which helps you verify split ranges and select specific pages.